This information is only relevant to measuring non-adjustable rings.

Step 1: Measure the inside diameter of a ring you usually wear.

Example: 1.6 cm = 1.6 mm → Size 16

Note that the inside diameter corresponds to the inside measurement of the ring. 

2nd Step: Using the information presented below, determine your size:

Measurement (in millimeters)	Size
15 mm	15
16 mm	16
17 mm	17
18 mm	18
19 mm	19
20 mm	20
21 mm	21
22 mm	22